A black hole has been discovered 1,000 light-years from Earth, making it the closest black hole to our solar system ever found.
원문출처 : https://www.cnn.com/2020/05/06/world/black-hole-close-earth-scn/index.html
원문출처 : https://www.cnn.com/2020/05/06/world/black-hole-close-earth-scn/index.html